Michael Neher – The Liechtenstein Princely Collections. Die Liebfrauenkirche in Esslingen (1847)
Materials: oil on canvas. Dimensions: 90 x 108 cm. Source: http://commons.wikimedia.org/wiki/File:Michael_Neher_001.jpg. I have changed the light, contrast and colors of the original photo.
Hubert Robert – The Liechtenstein Princely Collections. Capriccio con il Pantheon davanti al Porto di Ripetta (1761)
Materials: oil on canvas. Dimensions: 102 x 146 cm. Nr.: ? Source: http://s19.postimg.org/uz20kb9zn/image.jpg
Thomas Ender – The Liechtenstein Princely Collections GE2133. The Gulf of Sorrento (1819-1822)
Materials: oil on canvas. Dimensions: 76 x 106 cm. Inscriptions: Tho. Ender (lower right). Acquisition date: 1982. Nr.: GE2133. Source: http://www.generace20.cz/wp-content/uploads/2010/05/ender_sorrent.jpg.